Chart library / Big Blind vs Under the Gun 8bb
Big Blind calling range vs. Under the Gun shove - 8bb, 6-max
Big Blind calls 24% of hands here at 8bb effective (44 of 169 starting hands go in at full frequency). Facing an all-in from Under the Gun, this is Big Blind's continuing range (call or shove) rather than an opening range.
This chart compares only shove and fold in a short-stack model. Smaller raises or limps can still matter in the full game; they are not evaluated here.
Model: chip-EV; 0.125bb ante per player, not a big-blind ante. Stacks are measured before posting blinds and antes. Solver 0.2.1. The opponent is already all-in; this is a continue-or-fold decision.
Exact mixed frequencies (8)
K8s 31% shove / 69% fold,Q9s 93% shove / 7% fold,QJo 99% shove / 1% fold,J9s 10% shove / 90% fold,QTo 1% shove / 99% fold,T9s 32% shove / 68% fold,A4o 59% shove / 41% fold,A3o 2% shove / 98% fold
Big Blind vs. Under the Gun call range at 8bb, hand by hand
Always call — 44 of the 169 starting hands: 22+, A2s+, K9s+, QTs+, JTs, A5o+, KTo+
Less than always — 8 hands the solver calls only some of the time: QJo (99%), Q9s (93%), A4o (59%), T9s (32%), K8s (31%), J9s (10%), A3o (2%), QTo (1%).
Across every hand dealt, that is 24% of hands played, weighted by how often each one is dealt.
Compared to 10bb
Big Blind calls 10 hands at 8bb that it folds at 10bb: A2s, K9s, Q9s, QJo, JTs, KTo, A7o, A6o, A5o, A4o.
Hands right on the edge
These aren't clean shove-or-fold decisions - the solver mixes its strategy on each one: K8s (31% call), T9s (32% call), A4o (59% call).
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Other positions at 8bb
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Common questions
- What percentage of hands does Big Blind continue with against a Under the Gun all-in at 8bb?
- Big Blind calls 24% of hands at 8bb effective, 6-max. The chart compares only the listed all-in and fold decisions.
- Is this a baseline or an exploit range?
- This is a chip-EV baseline for a restricted shove/fold model. It does not compare limps, smaller raises or postflop play, and it is not a guarantee of unexploitable multiplayer play. Separate exploit solves target specified opponent tendencies.
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Stack depths covered on this site: 15bb, 12bb, 10bb, 8bb, 5bb. Back to the chart library →